<template>
  <div class='coursemain'>
    <div class="course-main">
      <section class="search-container">
        <div class="search-item">
          <div class="title-name">课程方向：</div>
          <div class="all-items">
            <el-tag class="category-poniter" effect="plain" type="info">全部</el-tag>
            <el-tag class="category-poniter-item" effect="plain" type="info" v-for="item in FirstCategorys"
              :key="item.id">
              {{item.categoryName}}
            </el-tag>
          </div>
        </div>
        <div class="search-item search-item-transition" style="top: 45px;">
          <div class="title-name">课程分类：</div>
          <div class="all-items">
            <el-tag class="category-poniter" effect="plain" type="info">全部</el-tag>
            <el-tag class="category-poniter-item" effect="plain" type="info" v-for="item in SecondCategorys"
              :key="item.id"> {{item.categoryName}} </el-tag>
          </div>
        </div>
        <div class="search-item" style="top: 90px;">
          <div class="title-name">课程难度：</div>
          <div class="all-items">
            <el-tag class="category-poniter" effect="plain" type="info">全部</el-tag>
            <el-tag class="category-poniter-item" effect="plain" type="info" v-for="item in courseLevel"
              :key="item.code">{{item.text}}</el-tag>
          </div>
        </div>
      </section>
    </div>
    <div class='main-container'>
      <div class="container-top">
        <ul class="all">
          <li class="item">综合</li>
          <li class="item split">|</li>
          <li class="item">最新课程</li>
          <li class="item split">|</li>
          <li class="item">最多购买 </li>
          <li class="item split">|</li>
          <li class="item-price">
            <span>价格</span>
            <span class="arrow">
              <i class="el-icon-caret-top"></i>
              <i class="el-icon-caret-bottom"></i>
            </span>
          </li>
        </ul>
        <ul class="right">
          <li class="right-item">
            <el-radio-group>
              <el-radio label="1">免费课程</el-radio>
              <el-radio label="2">会员课程</el-radio>
            </el-radio-group>
          </li>
        </ul>
      </div>
      <div class="container-body">
        <div class="newCourseContent">
          <ul class="courseUl">
            <li class='courseItem' v-for="item in courseList" :key="item.id" @click="gotoD(item.id)">
              <div class='courseInfo'>
                <div class='courseBg'>
                  <img :src="item.courseCover">
                </div>
                <div class="courseName">{{item.courseName}}</div>
                <div class="courseDegree">{{courseType(item.courseLevel)}}·
                  100人报名</div>
                <div class="coursePriceZero">
                  <div class="pricefree">免费学习</div>
                  <img src="@/assets/img/free.png" alt="">
                </div>
                <div class="coursePrice">
                  <div class="courseMemberbg"><span class="courseMember">会员免费</span></div>
                  <div class="price">¥ {{item.discountPrice}}</div>
                </div>
              </div>
            </li>
          </ul>
        </div>
        <div class='pages'>
          <el-pagination background layout="prev, pager, next" :total="total" @current-change='handleCurrentChange' />
        </div>
      </div>
    </div>
  </div>
</template>


<script setup>
import { getFirstCategorys, getSecondCategorys, searchCourse } from '@/utils/api/courseManage'
import { reactive, ref } from 'vue';
import courseType from '@/mixins/courseType.js'
import { useRouter } from 'vue-router'
const router = useRouter()
//一级分类数据
let FirstCategorys = ref([])
//二级分类数据
let SecondCategorys = ref([])
//难度等级
let courseLevel = ref([
  { text: '初级', code: '1' },
  { text: '中级', code: '2' },
  { text: '高级', code: '3' }
]);
//课程列表
let courseList = ref([])
//列表总数
let total = ref(0)
//获取一级分类
const getFirstCategory = () => {
  getFirstCategorys().then(res => {
    FirstCategorys.value = res.data.list
  })
}
getFirstCategory()

//获取二级分类
let secondParams = {
  categoryId: -1
}
const getSecondCategory = () => {
  console.log(secondParams);
  getSecondCategorys(secondParams).then(res => {
    SecondCategorys.value = res.data.list
  })
}
getSecondCategory()

//获取课程列表数据
let queryCoursePrams = {
  pageNum: 1,
  pageSize: 8
}
const getSearchCourses = () => {
  searchCourse(queryCoursePrams).then(res => {
    courseList.value = res.data.pageInfo.list
    total.value = res.data.pageInfo.total
  })
}
getSearchCourses()


//分页
const handleCurrentChange = (val) => {
  console.log(val);
  queryCoursePrams.pageNum = val
  getSearchCourses()
}

//前往详情页
const gotoD = (id) => {
  router.push(`/detail/${id}`)
}
</script>


<style scoped>
.course-main {
  padding: 20px 0;
  width: 100%;
  height: 130px;
  background: #f3f5f9;
}
.search-container {
  width: 1200px;
  margin: 0 auto;
  position: relative;
  height: 100%;
}
.search-item {
  display: flex;
  overflow: hidden;
  cursor: pointer;
  position: absolute;
  height: 45px;
  transition: all 0.5s;
}
.search-item-transition:hover {
  z-index: 777;
  height: auto;
  box-shadow: rgb(95 101 105 / 10%) 0px 12px 20px 0px;
  border-radius: 8px;
  background: rgba(255, 255, 255);
}
.search-item .title-name {
  width: 100px;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  line-height: 25px;
  text-align: justify;
  color: #333333;
  padding: 10px;
  opacity: 1;
}
.search-item .title-name:after {
  content: ".";
  width: 100%;
  display: inline-block;
  overflow: hidden;
  height: 0;
}

.search-item .all-items {
  width: calc(100% - 120px);
  min-height: 25px;
  display: flex;
  flex-wrap: wrap;
}
.title .all-list {
  width: 40px;
  height: 25px;
  line-height: 25px;
  border-radius: 4px;
  padding: 0 10px;
  align-items: center;
  text-align: center;
}

.title .all {
  opacity: 1;
  color: #2c80ff;
}

.title .item {
  height: 25px;
  line-height: 25px;
  margin: 0 15px;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  line-height: 21px;
  opacity: 1;
}

.title .item .active {
  color: #2c80ff;
}

.category-poniter {
  height: 25px;
  line-height: 25px;
  margin: 10px 5px;
  cursor: pointer;
  border: none;
  background: rgba(44, 128, 255, 0.1);
  color: #2c80ff;
}
.category-poniter-item {
  height: 25px;
  line-height: 25px;
  margin: 10px 5px;
  cursor: pointer;
  border: none;
  background: none;
  color: rgba(81, 87, 89, 1);
}

.main-container {
  width: 1200px;
  margin: 0 auto;
}

.container-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
}

.all {
  display: flex;
  padding-top: 20px;
  font-size: 16px;
  color: #515759;
}

.all .item:first-child {
  margin-right: 20px;
}

.all .item {
  margin: 0 10px;
  cursor: pointer;
}

.right {
  display: flex;
  padding-top: 20px;
  font-size: 16px;
  color: #515759;
}

.right .right-item {
  margin-left: 10px;
}

.right .right-items {
  margin-right: 0px;
}

.arrow {
  position: relative;
}

.arrow i:first-child {
  position: absolute;
  top: -1px;
}

.arrow i:last-child {
  position: absolute;
  top: 7px;
}

.check {
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.up {
  position: absolute;
  top: 5px;
  left: 2px;
}

.down {
  position: absolute;
  top: 15px;
  left: 2px;
  transform: rotate(180deg);
  -ms-transform: rotate(180deg); /* IE 9 */
  -moz-transform: rotate(180deg); /* Firefox */
  -webkit-transform: rotate(180deg); /* Safari 和 Chrome */
  -o-transform: rotate(180deg); /* Opera */
}
.newCourseContent {
  width: 1200px;
  margin: 30px auto 0px auto;
}

.newCourseContent .courseUl {
  display: flex;
  flex-wrap: wrap;
}

.courseItem {
  width: 285px;
  /* height: 280px; */
  margin: 0 20px 20px 0;
  transition: margin-top 0.2s;
}
.courseItem:hover {
  margin-top: -10px;
  cursor: pointer;
}
.courseItem:nth-child(4n + 0) {
  margin-right: 0 !important;
}
.courseInfo {
  position: relative;
  width: 100%;
  /* height: 270px; */
  background: #ffffff;
  box-shadow: 1px 1px 10px rgb(27 39 94 / 40%);
  opacity: 1;
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
  overflow: hidden;
  text-decoration: none;
}
.courseBg {
  position: relative;
  width: 100%;
  height: 160px;
}
.courseBg img {
  width: 100%;
  height: 100%;
}
.courseName {
  margin: 10px;
  font-weight: bold;
  font-size: 14px;
  color: #333333;
  display: -webkit-box;
  overflow: hidden;
}
.courseDegree {
  margin-left: 10px;
  font-size: 12px;
  color: #808080;
}
.coursePrice {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  font-size: 14px;
  margin-top: 15px;
  /* padding: 0 10px; */
}
.coursePricePri {
  width: 75px;
  font-size: 14px;
  margin-top: 18px;
  padding: 0 13px;
  color: rgba(255, 114, 127, 1);
  font-weight: 700;
}
.coursePriceZero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 75px;
  font-size: 14px;
  margin-top: 15px;
  padding: 0 10px;
  color: rgba(53, 134, 255, 1);
}
.courseMemberbg {
  position: relative;
  width: 80px;
  height: 20px;
  color: #ffffff;
  background: linear-gradient(90deg, #ff928e 0%, #fe7062 99%);
  border-radius: 24px 0px 24px 0px;
}
.courseMember {
  position: absolute;
  line-height: 20px;
  left: 13px;
  font-weight: 700;
}
.price {
  line-height: 25px;
  left: 100px;
  color: #ff727f;
  font-weight: 700;
}
.pages {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}
</style>